

A look into the 2024 NFL season using TPR
I finally got around to finishing up the full on TPR (True Passer Rating) scores for every QB who made a start in the 2024 season. (the one caveat I would like to point out is that sacks were counted wholesale, PFF gives us QB at fault sack data but not on a per game basis, so the 2024 grades for TPR will be using raw sack data adjusted by the league average of QB at fault sacks. That number is calculated using this database. ) It is also worth noting that these rankings are

IamCogs
Nov 24, 202520 min read


Explaining the True Passer Rating: Addressing the Limitations of Legacy Metrics
**This article was edited 8/1/25 due to a parentheses error causing incorrect calculations.** Nine months ago, Secret Base released a video titled " Correcting the NFL’s passer rating lie " which takes a wonderfully deep dive into how limiting the NFL Passer Rating truly is when it comes to accurately representing how well—or how poorly—a quarterback actually played. Its rigid constraints on maximum (158.3) and minimum (0.0) values make it a flawed metric. I loved it. But it

IamCogs
Jun 18, 20258 min read
